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DTIC ADP013644: A 3D Channel Flow Simulation at RE(sub tau) = 180 Using a Rational LES Model

by: Defense Technical Information Center

Publication date: 2001-08-01

Topics: DTIC Archive, Fischer, P., Iliescu, T., ARGONNE NATIONAL LAB IL MATHEMATICS AND COMPUTER SCIENCE DIV, *EDDIES(FLUID MECHANICS), *DIGITAL SIMULATION, SYMPOSIA, NUMERICAL ANALYSIS, DAMPING, SCALING FACTOR, NAVIER STOKES EQUATIONS, CHANNEL FLOW, THREE DIMENSIONAL FLOW.,

Collection: dticarchive; additional_collections

Language: English

This paper presents numerical results obtained by applying an LES model based on a rational (subdiagonal Pade') approximation in tHe wave number space. We used a spectral element code to test this LES model and tbe Smagorinsky model with Van Driest damping in the numerical simulation of a 3D channel flow at Re(sub T) = 180. The corresponding results were compared with the fine DNS simulation of Moser, Kim, and Mansour.